package dasregistry;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpSession;

public class SessionAlterFilter implements Filter {

	public void init(FilterConfig config) throws ServletException {
		System.out.println("calling SessionAlterFilter");
	}

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		
		
//		if (request instanceof HttpServletRequest) {
//			request = new HttpServletRequestWrapper(
//					(HttpServletRequest) request) {
//
//				public HttpSession getSession() {
//					
//					String id=this.getSession().getId();
//					SessionCached mysession = new SessionCached(null);
//					mysession.setId(id);
//					return mysession;
//				}
//
//			};
//		}

		chain.doFilter(request, response);
	}
}
